--- ./net/ipv4/route.c.ipr	2005-12-08 12:33:07.000000000 +0300
+++ ./net/ipv4/route.c	2005-12-08 20:05:15.964911728 +0300
@@ -2145,6 +2145,12 @@ static int ip_route_output_slow(struct r
 			   Luckily, this hack is good workaround.
 			 */
 
+			if (dev_out == NULL) {
+				dev_out = ip_dev_find(oldflp->fl4_src);
+				if (dev_out == NULL)
+					goto out;
+			}
+
 			fl.oif = dev_out->ifindex;
 			goto make_route;
 		}